Can stacker



FIG. 1 is a top perspective view of a can stacker embodying my newdesign,

FIG. 2 is a side elevation,

FIG. 3 is a side elevational view with the can stacker slightly rotatedin a counterclockwise direction,

FIG. 4 is a top plan view as oriented in FIG. 2, and

FIG. 5 is a bottom plan view as oriented in FIG. 3.

The ornamental design for a can stacker, as shown.